If We Don’t Get Married, the World Will End

Read Manhwa Doomsday Wedding! / A marriage that decides the fate of the world / 世界の運命を賭けた結婚 / 결혼하지 않으면 세계가 멸망한다 / A Marriage that Decides the Fate of the World. Our child will be the hero who saves the world?! Leona, the first woman assigned to the Special Forces Central Branch, is unfortunately teamed up with Regan Clanford, someone she had a terrible relationship with during her academy days. Before the two can even get started on rocky footing, an angel appears claiming to be the main King Sirpion and delivers shocking news: their future child will be the hero who defeats the demon lord and saves the world. Regan and Leona, who despise each other, decide that rather than marry each other and have a child, they'll kill the demon lord themselves and save the world on their own. Flustered by their iron-walled resistance, the wandering angel accidentally discovers the existence of "Dimensional Streaming." The constellation beings they meet there find the situation entertaining and gladly agree to help the angel bring the protagonists together. Comedic scenes unfold as the entire universe orchestrates romantic situations to make the two fall in love...